<!DOCTYPE html>

<html>
  <head>
    <meta charset="utf-8">
    <link rel="stylesheet" href="choose_ua.css"/>
  </head>

<body>
  
  <div class="ua-choices">
    <div class="ua-choice">Firefox 41</div>
    <div class="ua-choice">Chrome 41</div>
    <div class="ua-choice">IE 11</div>
  </div>
    
  <script src="choose_ua.js"></script>
</body>

</html>
